George is putting insulation in the walls of a rectangular room. The side walls are 10 feet high and 12 feet wide. The 2 long walls are 10 feet high and 14 feet wide. The doorway is 4 feet wide and 7 feet tall.Part A: Find the total area of the side walls and the long walls before accounting for the door.Part B: Find the total area of the doorway.Part C: Subtract the area of the doorway from the total area of the four walls to determine how much insulation George will need.
George is putting insulation in the walls of a rectangular room. The side walls are 10 feet high and 12 feet wide. The 2 long walls are 10 feet high and 14 feet wide. The doorway is 4 feet wide and 7 feet tall.Part A: Find the total area of the side walls and the long walls before accounting for the door.Part B: Find the total area of the doorway.Part C: Subtract the area of the doorway from the total area of the four walls to determine how much insulation George will need.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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George is putting insulation in the walls of a rectangular room. The side walls are 10 feet high and 12 feet wide. The 2 long walls are 10 feet high and 14 feet wide. The doorway is 4 feet wide and 7 feet tall.
Part A: Find the total area of the side walls and the long walls before accounting for the door.
Part B: Find the total area of the doorway.
Part C: Subtract the area of the doorway from the total area of the four walls to determine how much insulation George will need.
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